Why is 2,160 the sum of all factors of 920, including 920?
The factors of the number 920 are: 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920.
If you add them up, you will get the total of 2,160.
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